We have to work out the relative percentage of each group at a university e.g. Engineering 10%, Social Sciences 15%, English 20%, Sciences 25%, Languages 10%, Law 5%, Medicine 15% The sample must then contain all these groups in the same proportion as in the target population (university students).
Everything you need for your Tie-Dye project: Dyes, color enrichments, fixers, clothing blanks, and more! Tie-dye describes a pattern of color made by preventing the dye from reaching some areas of the fabric by using tight ties of rubber bands, sinew, string, etc., while dyeing others.
By Julie A. Jennings. Tie-dye as we know it became popular in the United States in the mid-1950's. People used direct dying methods with either natural or grocery-store type dyes-- randomly folding, twisting, and tying fabric or clothing . The items were then either dipped or put into a dye bath.